1862, Tughra 20 pa. yellow, trial printing for the third issue on thin gummed paper with ‘burele’ ground, right sheet marginal block of four (Type C-D/K-L). (The tabulation of the block reports and type are according to Tevfik Kuyas). Very Fine and an extremely rare multiple. (Isfila catalogue value for single stamps 13.300,-€, block of four is unpriced).
